Home / 28,416,104.40-42,629,686.20-12,242,024.40

Finding the Fourth Proportional to 28,416,104.40, 42,629,686.20 and 12,242,024.40

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Solution

The fourth proportional to 28,416,104.40, 42,629,686.20 and 12,242,024.40 is: 18,365,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,104.40 : 42,629,686.20 = 12,242,024.40 : x
  2. Step 2: Convert to fraction form
    28,416,104.40/42,629,686.20 = 12,242,024.40/x
  3. Step 3: Cross multiply
    28,416,104.40x = 42,629,686.20 × 12,242,024.40
  4. Step 4: Simplify right side
    28,416,104.40x = 521,873,658,624,743.31
  5. Step 5: Solve for x
    x = 521,873,658,624,743.31/28,416,104.40
  6. Step 6: Final answer
    x = 18,365,418.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.